@charset "utf-8";
/* CSS Document */
* {
	margin:0;
	padding:0;
}

ul {
	
	list-style:none;
}

.banner {
	width:590px;
	height:470px;
	border:2px solid #ccc;
	margin:100px auto;
	position:relative;
	overflow:hidden;
	z-index:1;
}

.banner>.img{ 
	width:9999px; 
	height:470px;
	position:absolute;
	left:0;
	top:0;}
.banner>.img>li{ 
	float:left;
	}

.tab {
	position:absolute;
	bottom:20px;
	left:50%;
	margin-left:-100px;
	height:30px;
	padding-left:10px;
	background:rgba(0,0,0,.2);
	border-radius:15px;
	z-index:999;	
}
.tab:hover {
	background:rgba(0,0,0,.7);
	transform:scale(1.2);
}
.tab li {
	width:20px;
	height:20px;
	float:left;
	background:#fff;
	border-radius:50%;
	margin:5px 10px 0 0;
	opacity:0.6;	
    cursor:pointer;
}
.tab li.active {
	background:#f60;
}
.btn {
    opacity: 0;
    
   	z-index:999;	
}
.btn span {
	display:block;
	width:50px;
	height:100px;
	background:rgba(0,0,0,0.6);
	color:#fff;
	font-size:40px;
	line-height:100px;
	text-align:center;
	cursor:pointer;
}
.btn .prev {
	position:absolute;
	left:0;
	top:50%;
	margin-top:-50px;
}
.btn .next {
	position:absolute;
	right:0;
	top:50%;
	margin-top:-50px;
}




